Home / 147,624.84-221,474.34-42,444

Finding the Fourth Proportional to 147,624.84, 221,474.34 and 42,444

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Solution

The fourth proportional to 147,624.84, 221,474.34 and 42,444 is: 63,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624.84 : 221,474.34 = 42,444 : x
  2. Step 2: Convert to fraction form
    147,624.84/221,474.34 = 42,444/x
  3. Step 3: Cross multiply
    147,624.84x = 221,474.34 × 42,444
  4. Step 4: Simplify right side
    147,624.84x = 9,400,256,886.96
  5. Step 5: Solve for x
    x = 9,400,256,886.96/147,624.84
  6. Step 6: Final answer
    x = 63,676.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.